import java.util.Arrays;
import java.util.Scanner;

public class Test1 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        /*String next = input.nextLine();
        String next1 = input.next();
        System.out.println(next);
        System.out.println(next1);*/

        /*int[] arr = new int[5];
        arr = new int[]{1,2,3,4,5,6,7,8,9,10};
       // System.out.println(Arrays.toString(arr));
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
        for(int x : arr) {
            System.out.print(x + " ");
        }

        int[] ret = Arrays.copyOf(arr,arr.length*2);
        System.out.println(Arrays.toString(ret));

        Arrays.fill(ret,arr.length,ret.length,-1);
        System.out.println(Arrays.toString(ret));*/


        /*int[][] arr = new int[2][];
        System.out.println(Arrays.deepToString(arr));
        //[null, null]

        int[] arr1 = new int[10];
        for (int x : arr1) {
            System.out.print(x + " ");
        }
        //0 0 0 0 0 0 0 0 0 0 */

        /*int[][] arr = new int[2][];
        arr[0] = new int[4];
        arr[1] = new int[6];
        System.out.println(Arrays.toString(arr[0]));
        System.out.println(Arrays.toString(arr[1]));
        System.out.println(Arrays.deepToString(arr));
        //[0, 0, 0, 0]
        //[0, 0, 0, 0, 0, 0]
        //[[0, 0, 0, 0], [0, 0, 0, 0, 0, 0]]

        //二维数组的输出
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j < arr[i].length; j++) {
                System.out.print(arr[i][j] + " ");
            }
        }
        System.out.println();
        for(int[] x : arr) {
            for(int n : x ) {
                System.out.print(n);
            }
            System.out.println();
        }
        System.out.println(Arrays.deepToString(arr));*/

        Test test = new Test();
        System.out.println(test);
        test.fun();
    }
}
class Test{
    public Test() {
        System.out.println("777");
    }
    public String toString() {
        System.out.println("123");
        return "asdf";
    }
    public void fun() {
        System.out.println("fun");
    }
}
